@inbook{ERMS:SourceID:8984,
author = {Boury-Esnault, N.},
note = {The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera},
title = {Family Polymastiidae Gray, 1867. Pp. 201-219. In: Hooper, J.N.A. & Van Soest, R.W.M. (eds) Systema Porifera - A guide to the classification of sponges. (2 volumes) Kluwer Academic/ Plenum Publishers: New York, 1708 + xvliii},
url = {http://www.marbef.org/data/aphia.php?p=sourcedetails&id=8984},
year = {2002}
}